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Eikaiwa industry figures published by METI

 
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Pitarou



Joined: 16 Nov 2009
Posts: 1116
Location: Narita, Japan
PostPosted: Sat Sep 25, 2010 1:38 pm    Post subject: Eikaiwa industry figures published by METI Reply with quote
I don't think I've seen this document mentioned on the forum before. It's an Excel spreadsheet published by the Ministry for Economy, Trade and Industry with statistics about the eikaiwa industry. It contains monthly figures for revenue, number of teachers, number of schools and so on.

http://www.meti.go.jp/statistics/tyo/tokusabido/result/result_1/xls/hv15603j.xls

This graph summarises the statistics most likely to be of interest to this forum (sorry, but I can't embed the image directly, so you'll have to click on the link):

https://spreadsheets.google.com/oimg?key=0App-sh23KqGodEpJTExEREZQSXdZTGVlTGpvMVJOTVE&oid=17&zx=dkfkps1mm8kh

The green line is an aggregate of the other data. It's the 12-month moving average of revenue divided by the 12-month moving average of teacher numbers, where a part-time teacher is counted as half of a full time teacher.

The figures tell the story of Nova's bankruptcy. When Nova folds, in 2007, the number of teachers plummets and much of the seasonal volatility in revenue vanishes. There is some loss in revenue, but the average revenue per teacher rises.

The other story is that of a slow post-Nova decline, but please note that the revenue figures are not adjusted for deflation.

Can anyone explain the jump in part-time teacher numbers in January 2006?

CLARIFICATION I made the graph, using Google spreadsheets and the data from the spreadsheet.

Last edited by Pitarou on Mon Sep 27, 2010 4:20 pm; edited 1 time in total
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Glenski



Joined: 15 Jan 2003
Posts: 12844
Location: Hokkaido, JAPAN
PostPosted: Sat Sep 25, 2010 11:31 pm    Post subject: Re: Eikaiwa industry figures published by METI Reply with quote
Pitarou wrote:
There is some loss in revenue, but the average revenue per teacher rises.
Look more carefully. The trend downward is pretty clear.

Moreover, that green line for average teacher salaries... it's in terms of 100s, so it goes from 100 x 11,000 down to 100 x 9,000:
1,100,000 to 900,000 yen !!!!!?????
Who made that much per year or (more likely) per month? A further description is in order.

Quote:
Can anyone explain the jump in part-time teacher numbers in January 2006?
I would be more interested in knowing how anyone got such figures. How would they know who is PT or not? Is that only PT hours, or did that count people who had FT work plus PT?

What is the main link to this information?
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Pitarou



Joined: 16 Nov 2009
Posts: 1116
Location: Narita, Japan
PostPosted: Sun Sep 26, 2010 9:30 am    Post subject: Re: Eikaiwa industry figures published by METI Reply with quote
Glenski wrote:
Pitarou wrote:
There is some loss in revenue, but the average revenue per teacher rises.
Look more carefully. The trend downward is pretty clear.


I was referring to the sudden rise in revenue per teacher after Nova's collapse. As you say, longer term trend is downwards, because the decline in teacher numbers hasn't kept pace with the decline in revenues, but I'm reluctant to read too much into that trend until inflation / deflation has been factored in.

Glenski wrote:
Moreover, that green line for average teacher salaries... it's in terms of 100s, so it goes from 100 x 11,000 down to 100 x 9,000:
1,100,000 to 900,000 yen !!!!!?????
Who made that much per year or (more likely) per month? A further description is in order.


All figures are monthly.

The figures are revenue, not salary. I've never asked how much my employer earns from me, but I know it's a lot more than I get! That's normal. An accountant tells me that, as a rule of thumb, 1/3rd of revenues are paid out as salaries in the service sector. When you add in the wages for the non-teaching staff, that figure looks about right.

Glenski wrote:
What is the main link to this information?


I've already posted the link to the spreadsheet on the METI website.
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Glenski



Joined: 15 Jan 2003
Posts: 12844
Location: Hokkaido, JAPAN
PostPosted: Sun Sep 26, 2010 9:56 pm    Post subject: Reply with quote
Monthly revenue figures? So, on an average each eikaiwa brings in 1 million yen per month? I would really like to see a breakdown on that.

Yes, you posted a link to the Excel data, but where did you get that graph? I would think it would have come with some additional text to describe it. Was there another more "homepage-like" link?
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Pitarou



Joined: 16 Nov 2009
Posts: 1116
Location: Narita, Japan
PostPosted: Mon Sep 27, 2010 1:18 pm    Post subject: Reply with quote
Glenski wrote:
Yes, you posted a link to the Excel data, but where did you get that graph?


If you have a problem with the chart make your own. It takes about 10 minutes. Log into spreadsheets.google.com (an on-line Excel-like application provided by Google), upload the data, generate a chart and publish it.
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TokyoLiz



Joined: 16 Jan 2003
Posts: 1548
Location: Tokyo, Japan
PostPosted: Mon Sep 27, 2010 1:37 pm    Post subject: Reply with quote
Glenski, Pitarou made the graph. Much like you, i had assumed the graph was something s/he had found the 'Net. Now we've learned about another tool to display information. We learn something new every day
Cool
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Glenski



Joined: 15 Jan 2003
Posts: 12844
Location: Hokkaido, JAPAN
PostPosted: Mon Sep 27, 2010 1:50 pm    Post subject: Reply with quote
TokyoLiz is right, Pitarou. I thought the graph came from METI somehow. Sorry for the confusion.
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Pitarou



Joined: 16 Nov 2009
Posts: 1116
Location: Narita, Japan
PostPosted: Mon Sep 27, 2010 4:32 pm    Post subject: Reply with quote
I've added a note of clarification to the original post.

To reiterate, the green line shows monthly revenue per teacher calculated from 12 month moving averages. I used the 12 month moving average of revenue to smooth out the seasonal fluctuations. I used the 12 month moving average of teacher numbers so that we are dividing like by like.

I hope that's clear.
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Glenski



Joined: 15 Jan 2003
Posts: 12844
Location: Hokkaido, JAPAN
PostPosted: Mon Sep 27, 2010 10:02 pm    Post subject: Reply with quote
Pitarou wrote:
I've added a note of clarification to the original post.

To reiterate, the green line shows monthly revenue per teacher calculated from 12 month moving averages. I used the 12 month moving average of revenue to smooth out the seasonal fluctuations. I used the 12 month moving average of teacher numbers so that we are dividing like by like.

I hope that's clear.
Well, it's not clear to me. What the heck is "moving average"?

Also, if green shows what you say, then teachers are making an average of 10,000 x 100 (your legend plus the y-axis units) = 1,000,000 yen per month (four times what it should be).

What gives?
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